Ultra Rare Vintage Brook 4b Mono Tube Pre Amplifier
Ultra rare vintage Brook 4B mono pre amplifier. Condition as you see on the pictures. I don't have matching 12A3 or 10C power amplifier. Please check the pictures for more information. The item "ULTRA RARE VINTAGE BROOK 4B MONO TUBE PRE AMPLIFIER" is in sale since Thursday, November 5, 2020. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Stereo Receivers". The seller is "bigappleaudio" and is located in Ridgefield, New Jersey.